Some Windows 11 (and Windows 10) users recently experienced a QR code-powered advert on the lock screen of their PC, but Microsoft has halted these ads following negative feedback from users.The QR code appeared on the lock screen and when scanned it turned out to be a promotion for the Copilot AI, sending users through to where they could download the relevant mobile app for Copilot.Needless to say, as noted there were unhappy users due to this, as evidenced
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